<ul>
	<li><a href="<?php meta('RPSunMaxxPRLink'); ?>">SunMaxx Solar Press Release</a></li>
    <!-- OPTIONAL PR ONE -->
    <?php if ( get_post_meta($post->ID, 'RPPressOneLink', true) ) { ?>
    	<li><a href="<?php meta('RPPressOneLink'); ?>"><?php meta('RPPressOneTitle'); ?></a></li>
    <?php } ?>
    <!-- OPTIONAL PR TWO -->
    <?php if ( get_post_meta($post->ID, 'RPPressTwoLink', true) ) { ?>
    	<li><a href="<?php meta('RPPressTwoLink'); ?>"><?php meta('RPPressTwoTitle'); ?></a></li>
    <?php } ?>
    <!-- OPTIONAL PR THREE -->
    <?php if ( get_post_meta($post->ID, 'RPPressThreeLink', true) ) { ?>
    	<li><a href="<?php meta('RPPressThreeLink'); ?>"><?php meta('RPPressThreeTitle'); ?></a></li>
    <?php } ?>
    <!-- OPTIONAL PR FOUR -->
    <?php if ( get_post_meta($post->ID, 'RPPressFourLink', true) ) { ?>
    	<li><a href="<?php meta('RPPressFourLink'); ?>"><?php meta('RPPressFourTitle'); ?></a></li>
    <?php } ?>
    <!-- OPTIONAL PR FIVE -->
    <?php if ( get_post_meta($post->ID, 'RPPressFiveLink', true) ) { ?>
    	<li><a href="<?php meta('RPPressFiveLink'); ?>"><?php meta('RPPressFiveTitle'); ?></a></li>
    <?php } ?>
</ul>